LOSTAR engine motor mounts 3474 Pair - Direct-fit SBC/BBC 383-454, OEM-style vibration damping

LOSTAR Pair(2) 3474 engine motor mounts are a direct-replacement mounting kit engineered to secure small- and big-block Chevy engines (including 383/400/396/427/454) with OEM-level fit and long-lasting durability.

These two motor mounts are built to replace worn or damaged factory mounts and restore solid engine positioning, reduced vibration, and reliable driveline alignment. Manufactured from durable materials and finished to meet or exceed original equipment specifications, the LOSTAR 3474 set is supplied as a pair and backed by a 1-year unlimited-mileage quality guarantee. Whether you are rebuilding a street cruiser, restoring a classic, or maintaining a daily driver, this kit provides the essential hardware to hold popular Chevy V8 engines in place.

How do these mounts match my engine and chassis?

The LOSTAR 3474 mounts are designed to be compatible with a broad range of Chevy small- and big-block V8s, including common displacements used in restorations and swaps. They follow the OEM mounting footprint so they bolt in where stock mounts previously sat, minimizing modification.

• Compatible with 283, 305, 327, 350, 383, 400, 396, 427, 454 engines
• Direct-fit design for standard Chevy SBC/BBC mounting points
• Sold as a pair to replace both driver and passenger side mounts

What materials and construction ensure longevity?

LOSTAR builds these mounts from high-strength components chosen to resist tearing and compressive wear under engine torque and road vibration. The materials and assembly process are intended to meet or exceed OEM performance so the mounts hold up under everyday driving and restoration use.

• Heavy-gauge metal brackets for structural integrity
• Damping elements engineered to absorb vibration while maintaining stiffness
• Factory-style finish to resist corrosion and extend service life

Will installation require special tools or modifications?

Installation is straightforward for mechanically inclined owners and professional shops because the mounts follow original equipment dimensions. In most cases the mounts install using the factory bolt pattern and common shop hand tools; no cutting or welding should be necessary for standard applications.

• Uses standard mounting bolts and factory locations
• No modification required for stock-frame installations
• Recommended: torque wrench and basic hand tools for correct fitment

What comes in the package and what warranty is provided?

The product ships as a matched pair of motor mounts labeled with the replacement OEM part number 3474 for easy reference. LOSTAR supports the set with a one-year unlimited-mileage quality guarantee, giving you coverage against manufacturing defects during normal use.

• Package includes 2 x engine motor mounts (LOSTAR 3474 set)
• Replacement OEM reference: 3474 ×2 for parts lookup
• 1-year unlimited-mileage quality guarantee from LOSTAR

Who is this for? Automotive enthusiasts, restoration shops, and owners of classic and modern Chevy V8 vehicles who need a dependable, OEM-style replacement for worn engine mounts will find this pair ideal. If you require straightforward bolt-in replacement mounts with broad SBC/BBC compatibility and a manufacturer-backed guarantee, the LOSTAR 3474 pair offers a practical, cost-effective solution to restore secure engine positioning and reduce unwanted vibration.